Apparatus for sifting ashes.



F. DAWU LF F, APPARATUS FOR SIFIING ASHES,

APPLICATION FILE-D DEC'.20 1916. Patented Jan. 29,1918.

2 SHEETS-SHEET1 INVENTOR; I FRANK D. W04 FF WITNESSES:

A TTORNEX s sts'in the novel arrangement and construe .tion of parts described in the followin FRANK D. WULFI', OF CHICAGO, ILLINOIS.

APPARATUS FOR, SIFTING ASHES.

Specification of Letters Patent.

Patented Jan. 29, 1918.

Application filed December 20, 1916. Serial No. 137,999.

To all whom it may concern:

Be it known that I, FRANK D. WULFF, a citizen of the United States of America, residing at 5315 Leland avenue, Chicago, county of Cook, and State of Illinois, have invented new and useful Improvements in Apparatus for Sifting Ashes, Sand, or the like, of which the following is a specification.

The invention relates to an apparatus for sifting ashes, sand, or the like, and its principal object consists in the provision of an apparatus of this character which permits shortening the length I raised by the the separation of the ashes from clinkers and burnt coal Without the escape of dust from the apparatus even when the latter is continuously in operation.

A further object constitutes the arrangement of an inlet chute or throat adapted to receive a scoop or shovel, such that the latter forms a closing for the throat when inserted therein.

Another object aims at the exhaustion of the circulating dust from the apparatus separationof the ingredients of the ashes.

Still another object embraces the connection between the ash receiver and the ash hopper of the apparatus to permanently insure airtight connection between said parts and to prevent the dust raised in the receptacle to escape'therethrough.

A still further object embodies the arrangement of a screen box receiving the burnt coal and clinkers in a water receptacle, the level of the .liquid being slight y above the lowermost edge of the appertaining-dischar'ge' chute of the hopper.

.It also constitutes an object of the invention to provide means for extending or of the discharge chute, whereby a liquid seal therefor is continuously obtained.

'With these and other objects in view, the preferred embodiment of the invention conspecificationand specifically pointed-out 1n the claims'forfmin'g a part thereof.

In the accompan ing drawings,

Figure 1 is a si e view of the apparatus made in accordance with the invention, several auxiliary devices being omitted, however.

Fig. 2 .is a central longitudinal section through the apparatus;

Fig. 3 is a fragmentary section through the inlet side of the apparatus with the scoop inserted and in discharge position. i

Fig. 4 is a section on the line 4-4 of F ig. 2, and i a Fig. 5 is a section on the line 55,of Fig. 2.

Referring to the several views of the draw ings, l designates the scoop which comprises the bottom plate 2, the end Wall 3 and the side Walls 4, which have an edge. The end Wall 3 is extended at its up per end to form an integral flange 6 which serves for a purpose hereinafter further referred to. The scoop l is equipped With a shaft 5 and a handle 7 to facilitate manipu lation of the scoop in collecting ashes and removing the same to the apparatus. The apparatus for sifting ashes comprises a ho per 8 open at its upper end but closed up by a cover 9 which is removably placed on the hopper. Uprights 10 connected in pairs by transverse plates 11 and 12 respectively, form a supporting frame from which, the hopper together with the cover is suspended. As will be seen by reference to Fig. 2, a rod 13 is journaled in the hopper in an in clined position, and keyed thereto are a pair of circular spider frames 1 in spaced relation and forming the supporting means for a cylindrical sieve 15 or, if preferred, a foraminous plate of cylindrical form may be secured in any approved or suitable manner to said spider frames. The cylinder 15,- as is obvious, also assumes a slanting position and, being open at both ends, forms a pas sage way for the material. to be separated. At the rear end of the cylinder an outwardly flaring portion 16 is provided which serves to divert material into proper direction. The rod 13 is extended at its forward end to form a handle 17, so that uponthe actuation thereof the cylindrical screen is rotated and materc'lial contained therein is efi'ectively separate The cover 9 is formed at the inlet portion 'of the device with an inlet throat or' chute 18, which comprises the up per ,arcuate wall 19, slde walls 20 is formed similar to the aforedescmbed scoop and comprises a bottom wall 24 and arcuate side walls 25, which are interconnected by a bridge'26. The botarcuate upper and an inclined bottom wallv 21 merging into a horizontal portion 22,, which serves as a support for a hood 23 whennormal or inoperative contact with the ash receiver.

tom wall 24 of the hood 23 is formed with lugs 27 through which extends a pivot rod 28. By virtue of the inclined wall 21 and the arcualc formation of the upper wall 19, it will be readily recognized that the hood 23 may be oscillated to assume a slanting posi tion determined by the inclined wall 21 of the throat. In order to discharge the material gathered by the scoop, the latter is inserted 1n the swingingly mounted hood and by raising the handle 7, scoop and hood are forced from horizontal into slanting position, so that the material drops by gravity into the inlet chute 18. The hopper 8 is equipped with a flange 29, and the space beeen said flange and the wall of the hopper serves for the reception. of the flange 30 of an apron til which bridge the gap briwrrn the inlet chute l8 and the cylinder 15 in insure the entrance of the material in the cylinder.

The hopper 8 is formed a its lowe end ith two discharge. chutes and 33, i'(.-5pc!f tivcly, of cylindrical formation, both having an exterior threaded portion The chute 33 is surrounded by a collar 34 intvriorly threaded for adjustable connection with said chute, said collar being formed with an in inwardly flaring portion adapted to abutagainst the corrcspi'mdingly flaring portion oi a receptacle 3t: "which employed to receive the ashes. dropping from the screen 15. The uprights 10 are intcrcounecl'ed in pairs in the longitudinal direction by rods 37, which serve as support for the recent rle iii-i It. will be readily rain thatv in cast of un evenness of the floor or where for inst-mice the receptacle 36 has di'llcrci'it dimensions the receptacle ordinarily used, it is. ncvcrthe less, possible to maintain an airtight intcu connection between the hopper clmtr 33 and the receptacle by virtue of the provision of the collar 34 which, being equipped with handles 38, may be rot atcd and thus lowered or raised to bring the same into intimate The chute 32 is also equipped with exterior screw threads and a collar 39 adjuslably engages the same and may be rotated for adjustment by mean of handles 40. Underneath said chute a receptacle 4.1 is arranged filled with water and adapted to rcccive'a vessclA-Q of foraininous material, which at its upper edge is extended into a flange 43 bearing against the upper edge of the water receptacle 41. As is obvious, thc vcssel 42 serves for the reception of'the burnt coal and clinkers and the presence of thr? water servcsto wash the materials. Simultaneously the liquid prevents the escape of dust, as its level is maintained above tl'lelowcrmost edge of the chute 32. As will be seen by reference to Fig. 2, the collar 39 may be adjusted to raise or lower its lowermost edge, so that in case the water level drops by virtue of evaporation,

the collar may be lowered and the discharge chute hermetically sealed.

The operation of the device is as follows:

Ashes are gathered in the scoop 1v and the latter is inserted in the hood 23 which is oscillatorily mounted in the inlet chute 18 of the ap imratus. In this position the top flange 5 ol the scoop engages the bridge 26 of the hood 23, whereby said bridge establishes a tight connection between the scoop and the upper wall 19 of the inlet chute or throat. Having inserted the scoop, the handle is lifted whereby the hood together with the scoop are forced to assume a slanting position, and this movement is'limited by the slai'iting wall 21. which serves as an allutnici'it. When the parts have assumed the osition indicated in Fig. ll, the material Carrii-d by the s oop drops by gravity down the inciinc 23, passes the apron 31, and enters the cylindrical screen 15, from where the line material-thc ashes-are discharged through the chute 33 into the receptacle 36, while the coarser material travels along the wall of the drum 15 until the peripheral flaring portion 16 diverts it into the chute 32, and thence the material enters the vessol The rotation of the screen by mean? of, the handle 17 effectively separates tl fine material from. the coarser one, but simultaneously dustis raised which is circulated. in order to provide means for effectively exliausting the dust, a passage 44- is provided which leads into a chimney 45 or any other place win-rover slight suction exists. The passage l 'lcoinains a damper 48 which may be adju d by means of a handle 49 to vary ll moss-section of said passage. The nega tive pr sure, of course, exhausts the dust raised in the receptacle and also diminishes the chancm for any dust escaping through the joints of the apparatus or when a receptur le is removed to be emptied. When it is desired or necessary to empty the ash receiver 36, the collar 34 is rotated to be carried upwardly by virtue of its scrcw-throaded engagement, so that its engagement with the receptacle is terminated and the latter may be easily removed. As

indicated in Fig. 1, a closure 46 may be applied to the collar 34 in order to prevent the d ropping of: ashes to the floor while the to confine myself to the exact details shown,

but being aware that various modifications and alterations may loo made, I Want to avail appended claims.

1. Anapparatus with dischargeopenings, a .(lrunl otforumi hous ,niaterial arranged in said hopper, a Cover for saidhopper being prorit lecl with an inlet'c1'iiite,- ancl a scoop adapted to he re; cei-i ed' witliin said inlet; chute and forming a closure therefor.- a

. An appa atustor sifting ashes, sand or the like, comprising discharge openings, a drum of'foraniinous material rotatahlf arr: ngeil in said huJper,

a cover for'saiil hopper proriiletl witl1 an inlet rhute, Sllitl ("hate leading into 'oneeinl.v

of said tlr'nni', illl(l a scoop adapted to'be received n said inlet. chute.

said scoop forming a closure for said chute. in both positions.

3; An ap niratus for sitting asli'es,-saiuil" orthe lilge, (:oniprising; a hopper fOLll'iQtl with 'i'lischarge openings, a- (lruni of screen- Iing 11 ialteria l. rotata'hly'ar 'angeil in said hop per, a ,eorer fink-Saul hopper 1-1'()Vl (ltl with an lllllll chute, said .ehute including an arouate upper wall and an inclinei'l lower wall terminating in ahorizontal front portion,

a scoop adapted to heflreceivei'l within Silltl. chute to rest withitshottom (l'll Sfll (l hori 'zontal Fro n t portion of the chute and adapted to be swungintoengagement with said,

inclined wall.

4. An apparatus for sifting ashes,-sand or the like, comprising a hopper formed with ilisvlia'rge openin lug material rotatably 'angeg'l in said hop- PM, a-uo'rer l'or'saitl hopper provided with ;an inlet. chute, saul ehute ncluding anarcu ate upperwall and an inelineil 'lo'wenwall tel-uninat.inu in. a horizontal front mrt-ion,

a neoop-adapted to la; received within said chute to rest with itshottom' on sai(l-l1orizontal l'ronl; portir'nl of the chute aiul adapt ed to he swung into engagement-with said inolineal wall. said scoop .lorniing a. closure for saiil chute in l-iorizontal and slanting position. i

v 5; An apparatus for sifting ashes, sand or the like, i-o nprising a hopper lorlned w th discharge openings, a screening (lrum ar- Lor the;likfltoniprising a hopperprovided "zontal front portion, side Walla a hopper formed with bottom wall merging; into a l oriarmtal, and. to he oseillated from normal into (liseharging position,

'zontal trout portion, auitl walla to the rurrature of the upper w tirlll rer'eireil with-ineairl-hooi 1nt.o engagement .witli t'l1e inclined. wall 1:

inolineil portion of the holtcnn wall of ea \Vit-nesses per ha vi ng an inlet chute. said chute inc-hut ingan' arrln'itenppor wallainlan ineiineil hottoin wall merging into a lIOJfJlZOIllIii-l l nl; portion, a hood in saitl chute 'eoinprising a said l1orihottoin wall pony resting on.

conform v, to, the curvature of the upper wall of t"- rhute, anti a scoop adapted to he reroii within said hood, sa'ul, scoop anil Silllllll'l Wing-adapted to he swung into eugagemm with the inclined wall of aaid. chute, subs tially as lQStlilJflil; v 4

6, An apparatus for sitting; aehesz. the like; comprising; hopper form with l'l discharge openingfla srreening; JLL on any rangeil in said liopp eig a rover for ll. hog per having: an inlet ehuteea'iil chute inelucil ing an arehate upper wall. and an ine ineil aanti portion, a llUULl in will ehnte romp holtoiu -wall partly ILEllliip; on hot-o hung lint-e. and a hriilgo in'l'ereonneettin v llll walls ol sanl -llk'l'()tl, Haul lirulgig'e hi ,gageuient withthe inner'a (lo of the alftfihil'u lop a-ifla' l, hrtitl and aunt hood being ailapt'eil to he K wall of the inlet rhuto, anil asi.

sa'iil chute,substantially as described,

Torinapparatue. for a, saini. or the like. voniprising a hop} tonne-cl, with (lira-hingeopenings, a Wren-hing (llllll'l t iii arranged in said hopper, a cover for aiirl hopper ha ring" an inlet (fl]lll'(?,":wlikl ehi in;- (lluliilg an 'a-rrua'te upper wall mill, in: ii cliiuahhottoin wall merging into a how zo'ntal front portion, a Shoml in iil eiinlie conipri'sing a liottoi'n wall partly resting on "saiil horizontal front portion, said, walla conforming to the our zll'lll'fi of "the upper wall of the el111t aii .il a hriilge intereoniuarhhooil' living piv 12m ,ing aaikl v{ulef wallspsotall. \j seeureil within 'saitl inletehnte toengil il't'el llt l,1(')lliZ(llltEll trout, portion ancl t e vh'ute respectively, aaulja i vop lltlllPlZE-il he received within said hood aru'l. term; a closuretherefor.

FRANK W l lljil li".

i fll xin'n A. BRENNAN,

lmmr K. BORMAN. 

